%% dx = (0.0625,0.0625)
solution = [
-0.0733658 -0.0605268 -0.0264048 0.017321 0.0557004 0.0756679 0.0705293 0.0421265 1.03111e-16 -0.0421265 -0.0705293 -0.0756679 -0.0557004 -0.017321 0.0264048 0.0605268 0.0733658 
0.699193 0.581866 0.269352 -0.133229 -0.490454 -0.682086 -0.643452 -0.387355 1.92516e-18 0.387355 0.643452 0.682086 0.490454 0.133229 -0.269352 -0.581866 -0.699193 
1.02488 0.852776 0.394366 -0.196177 -0.720287 -1.00167 -0.945244 -0.569459 -1.21355e-17 0.569459 0.945244 1.00167 0.720287 0.196177 -0.394366 -0.852776 -1.02488 
0.730933 0.6086 0.282672 -0.137523 -0.511317 -0.713759 -0.675934 -0.409761 -1.28158e-16 0.409761 0.675934 0.713759 0.511317 0.137523 -0.282672 -0.6086 -0.730933 
0.000127312 0.00134636 0.00443456 0.00769092 0.00821709 0.00231881 0 0 0 0 0 -0.00231881 -0.00821709 -0.00769092 -0.00443456 -0.00134636 -0.000127312 
-0.733117 -0.607776 -0.273971 0.155635 0.534175 0.720137 0 0 0 0 0 -0.720137 -0.534175 -0.155635 0.273971 0.607776 0.733117 
-1.03551 -0.858692 -0.387367 0.221683 0.770798 0 0 0 0 0 0 0 -0.770798 -0.221683 0.387367 0.858692 1.03551 
-0.727721 -0.602717 -0.269647 0.159634 0.539494 0 0 0 0 0 0 0 -0.539494 -0.159634 0.269647 0.602717 0.727721 
0.0115946 0.011861 0.012673 0.014045 0.0160876 0.0209909 0 0 0 0 0 -0.0209909 -0.0160876 -0.014045 -0.012673 -0.011861 -0.0115946 
0.750377 0.625894 0.294433 -0.132214 -0.51018 -0.712169 -0.672671 0 0 0 0.672671 0.712169 0.51018 0.132214 -0.294433 -0.625894 -0.750377 
1.0566 0.880233 0.410569 -0.194196 -0.730509 -1.01838 -0.962904 -0.586968 -3.96637e-16 0.586968 0.962904 1.01838 0.730509 0.194196 -0.410569 -0.880233 -1.0566 
0.751709 0.626482 0.292963 -0.136596 -0.517747 -0.722638 -0.683131 -0.41303 -6.61308e-16 0.41303 0.683131 0.722638 0.517747 0.136596 -0.292963 -0.626482 -0.751709 
0.015746 0.0143515 0.0105866 0.00555763 0.000668415 -0.00285714 -0.00430231 -0.00338296 -7.46828e-16 0.00338296 0.00430231 0.00285714 -0.000668415 -0.00555763 -0.0105866 -0.0143515 -0.015746 
-0.717428 -0.595408 -0.270526 0.147571 0.51772 0.714843 0.672162 0.4038 -7.69765e-16 -0.4038 -0.672162 -0.714843 -0.51772 -0.147571 0.270526 0.595408 0.717428 
-1.01311 -0.84136 -0.384043 0.204573 0.725884 1.00391 0.944656 0.567785 -8.47777e-16 -0.567785 -0.944656 -1.00391 -0.725884 -0.204573 0.384043 0.84136 1.01311 
-0.688465 -0.571486 -0.260016 0.140845 0.495798 0.684963 0.644301 0.387209 -9.6624e-16 -0.387209 -0.644301 -0.684963 -0.495798 -0.140845 0.260016 0.571486 0.688465 
0.0837517 0.0705701 0.0354303 -0.00993519 -0.0504136 -0.0725945 -0.0692765 -0.0418865 -1.10532e-15 0.0418865 0.0692765 0.0725945 0.0504136 0.00993519 -0.0354303 -0.0705701 -0.0837517 
];
exact = [
0 0 0 -0 -0 -0 -0 -0 -0 0 0 0 0 0 -0 -0 -0 
0.707107 0.587938 0.270598 -0.13795 -0.5 -0.69352 -0.653281 -0.392847 -1.29893e-16 0.392847 0.653281 0.69352 0.5 0.13795 -0.270598 -0.587938 -0.707107 
1 0.83147 0.382683 -0.19509 -0.707107 -0.980785 -0.92388 -0.55557 -1.83697e-16 0.55557 0.92388 0.980785 0.707107 0.19509 -0.382683 -0.83147 -1 
0.707107 0.587938 0.270598 -0.13795 -0.5 -0.69352 -0.653281 -0.392847 -1.29893e-16 0.392847 0.653281 0.69352 0.5 0.13795 -0.270598 -0.587938 -0.707107 
1.22465e-16 1.01826e-16 4.68652e-17 -2.38917e-17 -8.65956e-17 -1.20112e-16 0 0 0 0 0 1.20112e-16 8.65956e-17 2.38917e-17 -4.68652e-17 -1.01826e-16 -1.22465e-16 
-0.707107 -0.587938 -0.270598 0.13795 0.5 0.69352 0 0 0 0 0 -0.69352 -0.5 -0.13795 0.270598 0.587938 0.707107 
-1 -0.83147 -0.382683 0.19509 0.707107 0 0 0 0 0 0 0 -0.707107 -0.19509 0.382683 0.83147 1 
-0.707107 -0.587938 -0.270598 0.13795 0.5 0 0 0 0 0 0 0 -0.5 -0.13795 0.270598 0.587938 0.707107 
-2.44929e-16 -2.03651e-16 -9.37304e-17 4.77833e-17 1.73191e-16 2.40223e-16 0 0 0 0 0 -2.40223e-16 -1.73191e-16 -4.77833e-17 9.37304e-17 2.03651e-16 2.44929e-16 
0.707107 0.587938 0.270598 -0.13795 -0.5 -0.69352 -0.653281 0 0 0 0.653281 0.69352 0.5 0.13795 -0.270598 -0.587938 -0.707107 
1 0.83147 0.382683 -0.19509 -0.707107 -0.980785 -0.92388 -0.55557 -1.83697e-16 0.55557 0.92388 0.980785 0.707107 0.19509 -0.382683 -0.83147 -1 
0.707107 0.587938 0.270598 -0.13795 -0.5 -0.69352 -0.653281 -0.392847 -1.29893e-16 0.392847 0.653281 0.69352 0.5 0.13795 -0.270598 -0.587938 -0.707107 
3.67394e-16 3.05477e-16 1.40596e-16 -7.1675e-17 -2.59787e-16 -3.60335e-16 -3.39428e-16 -2.04113e-16 -6.74892e-32 2.04113e-16 3.39428e-16 3.60335e-16 2.59787e-16 7.1675e-17 -1.40596e-16 -3.05477e-16 -3.67394e-16 
-0.707107 -0.587938 -0.270598 0.13795 0.5 0.69352 0.653281 0.392847 1.29893e-16 -0.392847 -0.653281 -0.69352 -0.5 -0.13795 0.270598 0.587938 0.707107 
-1 -0.83147 -0.382683 0.19509 0.707107 0.980785 0.92388 0.55557 1.83697e-16 -0.55557 -0.92388 -0.980785 -0.707107 -0.19509 0.382683 0.83147 1 
-0.707107 -0.587938 -0.270598 0.13795 0.5 0.69352 0.653281 0.392847 1.29893e-16 -0.392847 -0.653281 -0.69352 -0.5 -0.13795 0.270598 0.587938 0.707107 
-4.89859e-16 -4.07303e-16 -1.87461e-16 9.55667e-17 3.46382e-16 4.80446e-16 4.5257e-16 2.72151e-16 8.99856e-32 -2.72151e-16 -4.5257e-16 -4.80446e-16 -3.46382e-16 -9.55667e-17 1.87461e-16 4.07303e-16 4.89859e-16 
];
err = [
-0.0733658 -0.0605268 -0.0264048 0.017321 0.0557004 0.0756679 0.0705293 0.0421265 1.03111e-16 -0.0421265 -0.0705293 -0.0756679 -0.0557004 -0.017321 0.0264048 0.0605268 0.0733658 
-0.00791344 -0.00607139 -0.00124593 0.00472034 0.00954594 0.011434 0.00982954 0.00549204 1.31819e-16 -0.00549204 -0.00982954 -0.011434 -0.00954594 -0.00472034 0.00124593 0.00607139 0.00791344 
0.0248767 0.0213061 0.0116827 -0.00108629 -0.0131803 -0.0208861 -0.0213648 -0.0138885 1.71562e-16 0.0138885 0.0213648 0.0208861 0.0131803 0.00108629 -0.0116827 -0.0213061 -0.0248767 
0.0238265 0.0206618 0.0120739 0.000427167 -0.0113165 -0.0202394 -0.0226523 -0.0169132 1.73572e-18 0.0169132 0.0226523 0.0202394 0.0113165 -0.000427167 -0.0120739 -0.0206618 -0.0238265 
0.000127312 0.00134636 0.00443456 0.00769092 0.00821709 0.00231881 0 0 0 0 0 -0.00231881 -0.00821709 -0.00769092 -0.00443456 -0.00134636 -0.000127312 
-0.0260099 -0.0198383 -0.00337296 0.0176848 0.0341752 0.0266172 0 0 0 0 0 -0.0266172 -0.0341752 -0.0176848 0.00337296 0.0198383 0.0260099 
-0.0355123 -0.0272221 -0.00468348 0.0265929 0.0636909 0 0 0 0 0 0 0 -0.0636909 -0.0265929 0.00468348 0.0272221 0.0355123 
-0.0206138 -0.0147795 0.000951139 0.0216841 0.0394941 0 0 0 0 0 0 0 -0.0394941 -0.0216841 -0.000951139 0.0147795 0.0206138 
0.0115946 0.011861 0.012673 0.014045 0.0160876 0.0209909 0 0 0 0 0 -0.0209909 -0.0160876 -0.014045 -0.012673 -0.011861 -0.0115946 
0.04327 0.037956 0.0238347 0.00573527 -0.0101797 -0.0186492 -0.0193899 0 0 0 0.0193899 0.0186492 0.0101797 -0.00573527 -0.0238347 -0.037956 -0.04327 
0.0565952 0.0487638 0.0278852 0.000894448 -0.0234018 -0.0375967 -0.039024 -0.0313977 -2.1294e-16 0.0313977 0.039024 0.0375967 0.0234018 -0.000894448 -0.0278852 -0.0487638 -0.0565952 
0.0446019 0.0385442 0.0223649 0.00135416 -0.017747 -0.029118 -0.0298498 -0.0201825 -5.31415e-16 0.0201825 0.0298498 0.029118 0.017747 -0.00135416 -0.0223649 -0.0385442 -0.0446019 
0.015746 0.0143515 0.0105866 0.00555763 0.000668415 -0.00285714 -0.00430231 -0.00338296 -7.46828e-16 0.00338296 0.00430231 0.00285714 -0.000668415 -0.00555763 -0.0105866 -0.0143515 -0.015746 
-0.010321 -0.00747061 7.2165e-05 0.0096214 0.0177201 0.0213233 0.0188806 0.0109529 -8.99659e-16 -0.0109529 -0.0188806 -0.0213233 -0.0177201 -0.0096214 -7.2165e-05 0.00747061 0.010321 
-0.0131104 -0.00989069 -0.00135921 0.00948229 0.0187767 0.0231283 0.0207762 0.0122147 -1.03147e-15 -0.0122147 -0.0207762 -0.0231283 -0.0187767 -0.00948229 0.00135921 0.00989069 0.0131104 
0.0186419 0.0164523 0.0105823 0.00289519 -0.00420198 -0.0085569 -0.0089808 -0.00563828 -1.09613e-15 0.00563828 0.0089808 0.0085569 0.00420198 -0.00289519 -0.0105823 -0.0164523 -0.0186419 
0.0837517 0.0705701 0.0354303 -0.00993519 -0.0504136 -0.0725945 -0.0692765 -0.0418865 -1.10532e-15 0.0418865 0.0692765 0.0725945 0.0504136 0.00993519 -0.0354303 -0.0705701 -0.0837517 
];
